I have been playing with reduce now for a bit and I was puzzled by the inability of the limit function to get this limit and don't know if this is a bug or not:
limit((x^2+5*x)/(exp(x)+x),x,infinity);

while it gets


limit((x^2+5*x)/(exp(x)),x,infinity); 
fine

It must have very specific rules - certainly repeated application of L'hopitals rule would work here

Bard Ermentout


On Wed, Nov 13, 2013 at 10:48 PM, Bard Ermentrout <ermentrout@gmail.com> wrote:
I am not sure if this is the right place to send questions and I am sorry if it is not.
How do I declare, say x and y to be real so that say, conj(x+i*y)=x-i*y?
And how do I declare m to be an integer so int(sin(m*x),x,0,2*pi) =0



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Bard



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Bard